Running Multiple QV Servers on One Machine

[#1]

Is this possible, and if so, will they bump heads?

I want to test v10 Beta on the same machine I'm running 9.0SR2 without overwriting the 9.0 version.

[#2]

Multiple QV Server on the same Machine it's not possible. I use virtual machine for QV8.5, QV9, QV10.

Best Regards,